From d6e52e28e4ca5ae5d066048f5ae2eac68dacb453 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Thu, 10 Oct 2019 13:59:55 +0200 Subject: [PATCH] drm/omap: accept NULL for dma_addr in omap_gem_pin Allow NULL to be passed in 'dma_addr' for omap_gem_pin(), in case the caller does not need the dma_addr. Signed-off-by: Tomi Valkeinen Reviewed-by: Jean-Jacques Hiblot Link: https://patchwork.freedesktop.org/patch/msgid/20191010120000.1421-4-jjhiblot@ti.com --- drivers/gpu/drm/omapdrm/omap_gem.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c index 9201c21e206f..a6562d23d314 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem.c +++ b/drivers/gpu/drm/omapdrm/omap_gem.c @@ -819,9 +819,11 @@ int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr) refcount_inc(&omap_obj->dma_addr_cnt); } - *dma_addr = omap_obj->dma_addr; + if (dma_addr) + *dma_addr = omap_obj->dma_addr; } else if (omap_gem_is_contiguous(omap_obj)) { - *dma_addr = omap_obj->dma_addr; + if (dma_addr) + *dma_addr = omap_obj->dma_addr; } else { ret = -EINVAL; goto fail;